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Volume :38 Issue : 1 2011      Add To Cart                                                                    Download

Heavy metal fingerprinting in surface water using chemometrics

Auther : HULYA BOYACIOGLU* AND HAYAL BOYACIOGLU**

*Dokuz Eylul University, Faculty of Engineering. Department of Environmental Engineering. Tinaztepe Campus Buca 35160 Izmir Turkey

Email:hulya.boyacioglu@deu.edu.tr

** Ege University, Faculty of Science, Department of Statistics, Bornova 35100 Izmir, Turkey. Email:hayal.boyacioglu@ege.edu.tr

ABSTRACT

In this study, chemometric methods were applied to fingerprint heavy metals in surface water in Tahtali Basin, Turkey, and were found to assist water managers in determining drinking water quality. Principal component analysis (PCA) was used to determine pollutant sources governing water quality, and Multidimensional Scaling (MDS) was used to identify spatial differences in the basin. Results showed that the level of heavy metals found in surface water was predominantly influenced by urban runoff (mainly in residential areas) and agricultural runoff. However, heavy metal concentrations were found to be lower than the threshold values set by European drinking water standards. Therefore, heavy metal levels in surface water were ``acceptable for a drinking water supply. This study showed that chemometric methods can assist water managers fingerprinting surface water quality.

Keywords: principal component analysis; heavy metal pollution; multidimensional scaling; water quality fingerprint.

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Jun 19, 2012

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